Red Oak Quercus rubra bark
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Bur oak (Quercus macrocarpa) bark
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Poison Oak on tree bark 24.jpg
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Rosemary Ratcliff
Garry Oak Bark
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Quercus alba white oak bark.JPG
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Coast Live Oak has thick bark to help it survive fire damage
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9/6/06 Oak & Birch Bark Montage
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Quercus falcata southern red oak bark.JPG
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Quercus incana sandjak or bluejack oak bark.jpg
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Oak Creeks West Fork Bigtooth Maple Leaves on Bark
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